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Kopia is a fast, encrypted and deduplicating backup tool. In server mode it offers a web UI for snapshots, policies and restores, and serves repositories to remote Kopia clients over HTTPS.
Open https://IP:51515 and accept the self-signed certificate. The UI and repository passwords are in /opt/kopia_data/.env; keep the repository password safe, without it the backups cannot be decrypted.
The default repository lives on the container disk in /opt/kopia_data/repository. For real backups connect a repository on a mount point, NAS or S3/B2 storage from the UI.
Remote Kopia clients need a user from kopia server user add and the certificate fingerprint of /etc/ssl/kopia/kopia.crt.
Note: This is not in the official repo yet—it's just a dev version! After merging into ProxmoxVE, it will need to be recreated.
Activity
community-scripts-issue-bot commentedon Nov 15, 2026
The Kopia script is ready for testing. Run it in the Proxmox VE shell (or on an Incus host) to create a container:
Default credentials:
Username: admin
Open https://IP:51515 and accept the self-signed certificate. The UI and repository passwords are in /opt/kopia_data/.env; keep the repository password safe, without it the backups cannot be decrypted.
The default repository lives on the container disk in /opt/kopia_data/repository. For real backups connect a repository on a mount point, NAS or S3/B2 storage from the UI.
Remote Kopia clients need a user from
kopia server user addand the certificate fingerprint of /etc/ssl/kopia/kopia.crt.Note: This is not in the official repo yet—it's just a dev version! After merging into ProxmoxVE, it will need to be recreated.
Discord testing thread: https://discord.com/channels/1302816934508630047/1571545185433690206
github-actions commentedon Nov 15, 2026
📊 Install telemetry for
kopiaRuns reported by the DevScripts version of this script since this issue was opened (2026-11-15).
Last run: 15.11.2026 at 16:13 UTC (2 hours 4 minutes ago) · success
Last success: 2026-11-15 16:14 UTC · Last failure: — · Avg. install time: 2 min
Open in the telemetry dashboard · updated hourly · last refresh 2026-11-15 18:17 UTC
Screenshot: ct/kopia.sh (arm64) for #2651 at 3bf67b8
github-actions commentedon Nov 15, 2026
Proxmox script test
@MickLesk ❌ 1/2 passed at
3bf67b8ct/kopia.shct/kopia.shct/kopia.shARM64 (information only, not counted): 0/1 passed; failures there do not block this PR.
📊 Resources
ct/kopia.shct/kopia.shct/kopia.sh📸 ct/kopia.sh (arm64) — https://10.98.0.133:51515
📄 ct/kopia.sh (pve) — install log (957 lines)
🔄 ct/kopia.sh (pve) — update log (29 lines)
🔁 ct/kopia.sh (pve) — second update log
❌ ct/kopia.sh (incus) — build log
📄 ct/kopia.sh (incus) — install log (96 lines)
🔄 ct/kopia.sh (incus) — update log (25 lines)
❌ ct/kopia.sh (arm64) — build log
📄 ct/kopia.sh (arm64) — install log (96 lines)
🔄 ct/kopia.sh (arm64) — update log (25 lines)
Full logs: workflow run (artifacts
result-*). Comment/test kopiato build again.